EP3795911B1 - Klimaanlage - Google Patents

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Publication number
EP3795911B1
EP3795911B1 EP18913206.1A EP18913206A EP3795911B1 EP 3795911 B1 EP3795911 B1 EP 3795911B1 EP 18913206 A EP18913206 A EP 18913206A EP 3795911 B1 EP3795911 B1 EP 3795911B1
Authority
EP
European Patent Office
Prior art keywords
motor
air
conditioner
cover
end portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18913206.1A
Other languages
English (en)
French (fr)
Other versions
EP3795911A1 (de
EP3795911A4 (de
Inventor
Kazuma Hosokawa
Jiaye Cai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Johnson Controls Air Conditioning Inc
Original Assignee
Hitachi Johnson Controls Air Conditioning Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Johnson Controls Air Conditioning Inc filed Critical Hitachi Johnson Controls Air Conditioning Inc
Publication of EP3795911A1 publication Critical patent/EP3795911A1/de
Publication of EP3795911A4 publication Critical patent/EP3795911A4/de
Application granted granted Critical
Publication of EP3795911B1 publication Critical patent/EP3795911B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/22—Cleaning ducts or apparatus

Definitions

  • the present invention relates to an air-conditioner.
  • an air-conditioner including an air blower fan For an air-conditioner including an air blower fan, more dust adheres to the air blower fan as use time increases. Thus, the air volume of the air-conditioner might decrease, or power consumption of the air-conditioner might increase. Moreover, in some cases, fungi etc. are caused due to adherence of the dust in the air-conditioner, leading to insanitation. For these reasons, an air-conditioner including a fan cleaning device configured to remove dust adhering to an air blower fan to clean the air blower fan has been provided (see, e.g., Patent Document 1).
  • the air-conditioner described in Patent Document 1 includes the fan cleaning device and a control device configured to control the fan cleaning device, and has a normal operation mode for blowing conditioned air into a room and a fan cleaning mode for rotating a fan at low speed and movably operating the fan cleaning device.
  • the fan cleaning device includes a cleaner configured to contact the fan in the fan cleaning operation mode, and is configured to movably operate the cleaner to a position retreated from the fan in the normal operation mode.
  • the fan cleaning device rotatably drives the cleaner by a motor. It is efficient when the motor is arranged at a location close to a rotary shaft of the cleaner. For this reason, air-conditioners include one configured such that a motor of a fan cleaning device is attached to a location close to a rotary shaft of a cleaner at a side surface (specifically, an outer wall surface of a side plate forming the side surface of a heat exchanger) of the heat exchanger.
  • Patent Document 1 Japanese Patent No. 4046755 JP2006308121 A discloses an air conditioner comprising an heat exchanger, a fan, a cleaner, a motor and a motor cover to cover a main body of the motor.
  • the motor of the fan cleaning device is arranged at such a location, and therefore, there is a probability that condensation water adheres to the motor and a motor failure rate increases.
  • the heat exchanger is cooled in air cooling operation.
  • the outer wall surface of the side plate forming the side surface of the heat exchanger becomes cold.
  • the motor of the typical air-conditioner is attached to the outer wall surface of the side plate.
  • a hairpin pipe projecting outward is arranged at the side plate of the heat exchanger.
  • refrigerant flows in the hairpin pipe in the air cooling operation, and therefore, condensation water adheres to the hairpin pipe.
  • the motor is arranged right below the hairpin pipe, and therefore, the condensation water might drop from the hairpin pipe onto the motor. Thus, there is a probability that the motor failure rate increases.
  • the present invention has been made for solving the above-described problems, and a main object of the present invention is to provide an air-conditioner configured to reduce adherence of condensation water to a motor of a fan cleaning device.
  • the present invention proposes an air conditioner according to claim 1.
  • Claims 2-13 contain preferred features of the air conditioner of claim 1.
  • adherence of condensation water to the motor of a fan cleaning device can be reduced.
  • a first embodiment is intended to provide the following air-conditioner 10.
  • Fig. 1 is a schematic view of the entire configuration of the air-conditioner 10 according to the first embodiment.
  • the air-conditioner 10 has an indoor unit 11 arranged inside a room, and an outdoor unit 12 arranged outside the room.
  • the indoor unit 11 sucks in indoor air, and causes the sucked indoor air to pass through the heat exchanger 31 (see Fig. 2 ) to obtain conditioned air subjected to any optional processing of heating, cooling, and dehumidification. Then, the indoor unit 11 blows the obtained conditioned air into the room to air-condition the inside of the room.
  • the indoor unit 11 is connected to the outdoor unit 12 through a connection pipe 13 such that refrigerant circulates between the indoor unit 11 and the outdoor unit 12.
  • the outdoor unit 12 exchanges heat with the circulating refrigerant.
  • the indoor unit 11 includes, in a housing 21 and a decorative frame 22 as an exterior member of the housing 21, structures such as an air blower fan 38 (see Fig. 2 ) and the heat exchanger 31 (see Fig. 2 ).
  • the air blower fan 38 is a cross-flow fan configured to send air from an air suction port 24 side to an air blow port 25 side, and sends air heat-exchanged by the heat exchanger 31.
  • the heat exchanger 31 is a unit configured to exchange heat with refrigerant.
  • a front panel 23 is attached to an upper portion of a front surface of the decorative frame 22 (the exterior member).
  • the front panel 23 is a member configured to cover a front surface of the indoor unit 11.
  • an upper-to-lower wind deflector 26 is attached to a lower portion of the front surface of the decorative frame 22.
  • the upper-to-lower wind deflector 26 is a member configured to define the direction of conditioned air blown from the air blow port 25 in an upper-to-lower direction. It is configured such that the upper-to-lower wind deflector 26 is pivotally supported on the drain pan 39 in the vicinity of a lower end thereof such that an upper portion of the upper-to-lower wind deflector 26 opens/closes in the upper-to-lower direction and is rotated by a not-shown drive unit.
  • the indoor unit 11 opens the upper-to-lower wind deflector 26 to form the air blow port 25.
  • Fig. 2 is a schematic view of the configuration of the heat exchanger 31 and the peripheral configuration thereof.
  • Fig. 3 is a schematic view of a configuration of a fan cleaning device 40 and a peripheral configuration thereof.
  • the heat exchanger 31 includes multiple fins 31a for exchanging heat between refrigerant and indoor air, and the multiple hairpin pipes 34 arranged to penetrate the fins 31a and configured such that refrigerant flows in the hairpin pipes 34.
  • the heat exchanger 31 has, at each end portion thereof, the side plate 32 forming a side surface. The fins 31a, the hairpin pipes 34, etc. are cooled in the air cooling operation, and condensation water adheres to these components. The condensation water adhering to these components drops and received by the drain pan 39 (see Fig. 2 ).
  • the side plate 32 includes the protruding portion 32p.
  • the protruding portion 32p protrudes from an outer surface of the side plate 32 to cover at least above the inner end portion of the motor 51 such that condensation water having dropped from the hairpin pipe 34 does not drop onto a later-described motor assembly 50 (specifically, the main body of the motor 51).
  • the hairpin pipe 34 is in a curved shape folded back in the vicinity of the outside of the side plate 32.
  • the hairpin pipes 34 are coupled to each other through a not-shown pipe.
  • the indoor unit 11 When the indoor unit 11 is continuously used, dust etc. adhere to the air blower fan 38.
  • the indoor unit 11 has the fan cleaning device 40 configured to clean the air blower fan 38.
  • the fan cleaning device 40 has a brush 41, a shaft 45, and the motor assembly 50.
  • the brush 41 is a member (a cleaner) configured to contact and clean the air blower fan 38 (see Fig. 2 ).
  • the shaft 45 is a member configured to hold the brush 41 (the cleaner).
  • the motor assembly 50 is a drive section configured to rotatably drive the shaft 45 in a direction about an axis.
  • the brush 41 is configured separately from the shaft 45, and is attachable to or detachable from the shaft 45. Note that it will be described herein that the cleaner of the fan cleaning device 40 is the brush 41. Note that the cleaner of the fan cleaning device 40 may include not only the hairy brush 41 but also an elastic plate such as sponge or elastomer.
  • Each of the brush 41 and the shaft 45 is an elongated member.
  • the brush 41 and the shaft 45 will be collectively referred to as a "brush 41 etc.”
  • the brush 41 etc. are arranged between the fin 31a (see Fig. 2 ) of the heat exchanger 31 and the air blower fan 38 to rotate about the axis.
  • the brush 41 etc. are slightly longer than the length of the air blower fan 38 in a longitudinal direction thereof to cover the entire area of the air blower fan 38 in the longitudinal direction thereof.
  • the brush 41 etc. are arranged such that both end portions thereof penetrate two side plates 32 arranged at both end portions of the heat exchanger 31.
  • Both end portions of the brush 41 etc. are rotatably held by the motor assembly 50 or a not-shown bearing member, for example.
  • the brush 41 has multiple fiber portions 42 and a brush base 43.
  • the fiber portion 42 is a contact portion configured to contact the air blower fan 38.
  • the brush base 43 is a base portion configured to hold each fiber portion 42.
  • the motor assembly 50 has the motor 51 configured to rotatably drive the brush 41 etc., and the motor cover 60 configured to cover the periphery of the motor 51.
  • a rotary shaft 52 of the motor 51 is directly coupled to the shaft 45, or is indirectly coupled to the shaft 45 through, e.g., a not-shown gear or adaptor. Note that in an example illustrated in Fig. 3 , no spacer 69 illustrated in Fig. 5 is used, but the motor assembly 50 may be attached to the side plate 32 of the heat exchanger 31 through the spacer 69 illustrated in Fig. 5 .
  • Fig. 4 illustrates a configuration of the motor assembly 50 of the present embodiment.
  • Fig. 4 is an exploded view of the motor assembly 50 of the present embodiment.
  • Fig. 4 illustrates an example where the motor assembly 50 is disassembled into the motor 51, a heat insulating member 54, and the motor cover 60.
  • the motor 51 has the rotary shaft 52, a lead line 53 drawn from the inside of the main body to the outside, and fixing portions 56 to be fastened to the motor cover 60 through screws 55.
  • the heat insulating member 54 is in a tape shape, and is wound around the main body of the motor 51 to cover at least a peripheral surface of the main body of the motor 51 (see a white arrow A11).
  • the motor cover 60 has a housing portion 61 configured to house the main body of the motor 51, and fixing portions 66 to be fastened to, e.g., the side plate 32 of the heat exchanger 31 through screws 65.
  • a groove 62 for housing the lead line 53 of the motor 51 is formed at a lower portion of an inner peripheral surface of the housing portion 61.
  • the motor 51 around which the heat insulating member 54 is wound is housed in the housing portion 61 of the motor cover 60 (see a white arrow A12). In this state, the lead line 53 of the motor 51 is drawn out of the motor cover 60 through the groove 62 of the motor cover 60.
  • the motor 51 When the motor 51 is housed in the housing portion 61 of the motor cover 60, the motor 51 and the motor cover 60 are fastened to each other with the screws 55 passing through the fixing portions 56 of the motor 51. Accordingly, the motor assembly 50 is assembled.
  • the motor assembly 50 is arranged outside the side plate 32 (see Fig. 3 ) of the heat exchanger 31. Moreover, the motor cover 60 and an attachment target thereof are fastened to each other with the screws 65 passing through the fixing portions 66 of the motor cover 60.
  • Fig. 5 illustrates a preferable arrangement location of the motor assembly 50 of the present embodiment.
  • Fig. 5 is a schematic view of the preferable arrangement location of the motor assembly 50 of the present embodiment.
  • the heat exchanger 31 is cooled in the air cooling operation.
  • an outer wall surface of the side plate 32 of the heat exchanger 31 becomes cold. If the motor 51 is directly attached to the outer wall surface of the side plate 32, there is a probability that condensation water adheres to the main body of the motor 51 due to influence of cold air transmitted from the side plate 32. Thus, such a configuration is not preferable.
  • the air-conditioner 10 of the present embodiment is configured such that the motor 51 is arranged with an inner end portion 50x of the main body of the motor 51 being separated from the side plate 32.
  • the air-conditioner 10 is configured such that, e.g., the spacer 69 or a space is provided between the heat exchanger 31 and the motor assembly 50.
  • the air-conditioner 10 is configured such that the motor assembly 50 is attached to the heat exchanger 31 through, e.g., the spacer 69 or the space to separate the inner end portion 50x of the main body of the motor 51 from the side plate 32.
  • the air-conditioner 10 is preferably configured such that a sufficient separation distance between the inner end portion 50x of the main body of the motor 51 and the side plate 32 is ensured.
  • the motor 51 (the motor assembly 50) is arranged such that the inner end portion 50x of the main body of the motor 51 is positioned on the outside of an outer end portion 34a of a curved portion of the hairpin pipe 34 by, e.g., a distance t1.
  • the air-conditioner 10 can reduce adherence of condensation water dropping from the hairpin pipe 34 to the main body of the motor 51.
  • the "outside” described herein means a side far from the side plate 32 of the heat exchanger 31.
  • the motor 51 (the motor assembly 50) is arranged such that the outer end portion 50y of the motor assembly 50 is positioned on the inside of the inner wall surface of the decorative frame 22 by, e.g., a distance t2.
  • the air-conditioner 10 can reduce, upon drive of the motor 51, occurrence of noise due to propagation of vibration of the motor 51 to the decorative frame 22.
  • Figs. 6A to 6C illustrate preferable arrangement relationships between the motor 51 of the motor assembly 50 and the drain pan 39 in the present embodiment.
  • Figs. 6A to 6C are each schematic views of the preferable arrangement relationships between the motor 51 of the motor assembly 50 and the drain pan 39 in the present embodiment.
  • the drain pan 39 may be preferably arranged below the heat exchanger 31 (see Fig. 2 ) and the motor cover 60 to extend outward of an inner end portion (the inner end portion 50x of the motor 51) of the motor cover 60. That is, the drain pan 39 may be arranged below the heat exchanger 31 (see Fig. 2 ) and the motor cover 60, and an end portion of the drain pan 39 may be positioned on the outside of the inner end portion (the inner end portion 50x of the motor 51) of the motor cover 60. With this configuration, the air-conditioner 10 can reliably receive, by the drain pan 39, condensation water adhering to and dropping from the motor cover 60.
  • a lower portion of the motor cover 60 may be preferably an inclined portion extending downwardly from an outer end portion side to an inner end portion side.
  • the air-conditioner 10 is configured so that a lower surface of the lower portion of the motor cover 60 can function as a flow path R11 of condensation water adhering to the motor cover 60.
  • the air-conditioner 10 can guide the condensation water adhering to the motor cover 60 to the drain pan 39, and can efficiently and reliably receive the condensation water by the drain pan 39.
  • the entirety of the motor cover 60 may be arranged on the inside of an outer end portion of the drain pan 39.
  • the air-conditioner 10 can reliably receive, by the drain pan 39, condensation water adhering to and dropping from the motor cover 60.
  • Fig. 7 illustrates a configuration of the brush 41 (the cleaner) used in the present embodiment.
  • Fig. 7 is a schematic view of the configuration of the brush 41 (the cleaner).
  • the brush 41 has such a structure that a hair implantation region 43a where the fiber portions 42 are implanted is formed across the entire area of the brush base 43.
  • the brush 41 is inserted into a housing portion 45a (see Fig. 9 ) provided at the shaft 45, and is attached to the shaft 45. Moreover, the brush 41 can be detached from the shaft 45 by pulling from the housing portion 45a (see Fig. 9 ).
  • the shaft 45 is arranged inside the indoor unit 11 such that both end portions thereof penetrate two side plates 32 arranged at both end portions of the heat exchanger 31. Note that Fig. 7 illustrates only the side plate 32 arranged on a left side. Both end portions of the shaft 45 are rotatably held by, e.g., the motor 51 (the motor assembly 50) or the not-shown bearing member.
  • a case where the not-shown bearing member arranged on a right side of the shaft 45 is detached and the brush 41 is inserted into the housing portion 45a (see Fig. 9 ) from the right side to the left side of the shaft 45 is illustrated by way of example.
  • the brush 41 can be inserted into the housing portion 45a (see Fig. 9 ) from the left side to the right side of the shaft 45 by detachment of the motor 51 (the motor assembly 50) arranged on the left side of the shaft 45.
  • a strength for holding stiffness is set such that the brush 41 is easily inserted into the housing portion 45a (see Fig. 9 ) of the shaft 45.
  • the brush 41 can be easily replaced by pulling from or insertion into the side of the shaft 45.
  • the brush base 43 (the base portion) of the brush 41 (the cleaner) may have elasticity so that the brush base 43 can be curved.
  • the fan cleaning device 40 is configured such that the brush 41 can be attached (inserted) to or detached (drawn) from the shaft 45 with the brush base 43 of the brush 41 being curved. That is, for the fan cleaning device 40, a replacement process can be performed with the brush base 43 being curved.
  • Such a fan cleaning device 40 is configured so that the process of replacing the brush 41 in a narrow space (e.g., the process of replacing the brush 41 in the air-conditioner 10 placed in the vicinity of an end of the room) can be facilitated.
  • the brush 41 illustrated in Fig. 7 is configured such that the hair implantation region 43a is formed across the entire area of the brush base 43. Thus, the fiber portions 42 in the vicinity of the end portion contact the side plate 32 of the heat exchanger 31.
  • Use of the brush 41 illustrated in Fig. 7 in the fan cleaning device 40 applies a load onto the brush 41 or easily contaminates the brush 41 when the brush 41 is, upon cleaning of the air blower fan 38, rotated to cause the brush 41 to contact the air blower fan 38.
  • the fan cleaning device 40 may use, for example, a brush 41A illustrated in Figs. 8 to 10 instead of the brush 41.
  • Figs. 8 to 10 illustrate a configuration of the brush 41A as another cleaner used in the present embodiment.
  • Fig. 8 is a schematic view of the configuration of the brush 41A.
  • Figs. 9 and 10 are each perspective views of a main portion of the configuration of the brush 41A.
  • the brush 41A has, in the brush base 43, the hair implantation region 43a where the fiber portions 42 are implanted, and a hair non-implantation region 43b where no fiber portions 42 are implanted.
  • the hair implantation region 43a is formed at other portions than one or both end portions of the brush base 43.
  • the hair non-implantation region 43b is formed at one or both end portions of the brush base 43.
  • the hair non-implantation region 43b is provided to extend from the outside to the inside of the side plate 32.
  • the brush 41A is inserted into the housing portion 45a provided at the shaft 45, and is attached to the shaft 45. Moreover, the brush 41A can be detached from the shaft 45 by pulling from the housing portion 45a.
  • the brush 41 has, at the end portion of the brush base 43, a handle portion 43c for gripping the brush base 43 with a human hand.
  • the handle portion 43c is a portion more closer to the end portion of the brush base 43 in the hair non-implantation region 43b formed at the end portion of the brush base 43. As illustrated in Figs. 8 and 10 , the handle portion 43c protrudes outward of the end portion of the shaft 45 in a state in which the brush 41A is attached to the shaft 45.
  • the brush 41A can be easily detached from the shaft 45 by gripping of the handle portion 43c with the human hand. In this state, an operator operates the handle portion 43c to manually change the direction of the brush 41A, so that the brush 41A can be replaced at a position not contacting the air blower fan 38 and the heat exchanger 31.
  • the brush base 43 of the brush 41A may have elasticity to curve as in the brush base 43 of the brush 41 illustrated in Fig. 7 .
  • the fan cleaning device 40 is configured such that when the brush 41A is rotated upon cleaning of the air blower fan 38, the fiber portions 42 do not contact the side plate 32 of the heat exchanger 31 at one or both end portions of the brush 41A. Thus, when the brush 41A is rotated, the fan cleaning device 40 can reduce a load on the brush 41A. Moreover, the fan cleaning device 40 can reduce contamination of the brush 41A.
  • the fan cleaning device 40 is configured such that the handle portion 43c is provided at the brush base 43, and therefore, the brush 41 can be easily pulled out from a space at the side of the heat exchanger 31.
  • the air-conditioner 10 can reduce generation of condensation water and adherence of the condensation water to the motor 51 due to excessive cooling of the motor 51 due to the influence of cold air transmitted from the side plate 32 of the heat exchanger 31.
  • the motor 51 is arranged on the outside with respect to the outer end portion 34a of the curved portion of the hairpin pipe 34, and therefore, dropping of condensation water adhering to and dropping from the hairpin pipe 34 onto the motor 51 can be reduced.
  • the main body of the motor 51 may be preferably arranged such that the inner end portion 50x is separated from the side plate 32 and the outer end portion is separated from the exterior member of the housing.
  • the air-conditioner 10 can reduce, upon drive of the motor 51, occurrence of noise due to propagation of vibration of the motor 51 to the decorative frame 22.
  • the motor 51 may be also arranged such that the inner end portion 50x of the motor 51 is separated from the side plate 32 and the outer end portion is separated from the exterior member of the housing.
  • the drain pan 39 is arranged below the heat exchanger 31 and the motor cover 60 to extend outward of the inner end portion of the motor cover 60. That is, the drain pan 39 is arranged below the heat exchanger 31 and the motor cover 60, and the end portion of the drain pan 39 is positioned on the outside with respect to the inner end portion of the motor cover 60. With this configuration, the air-conditioner 10 can reliably receive, by the drain pan 39, condensation water adhering to and dropping from the motor cover 60.
  • the lower portion of the motor cover 60 may be preferably the inclined portion extending downward from the outer end portion side to the inner end portion side.
  • the lower surface of the lower portion of the motor cover 60 can function as the flow path R11 of condensation water adhering to the motor cover 60.
  • the air-conditioner 10 can guide the condensation water adhering to the motor cover 60 to the drain pan 39, and can efficiently and reliably receive the condensation water by the drain pan 39.
  • the entirety of the motor cover 60 may be preferably arranged on the inside with respect to the outer end portion of the drain pan 39.
  • the air-conditioner 10 may preferably include the protruding portion 32p protruding from the outer surface of the side plate 32 to cover above the inner end portion of the motor 51.
  • the protruding portion 32p functions as a dew guard section configured to reduce adherence of condensation water to the motor 51. With this configuration, the air-conditioner 10 can also reduce dropping of condensation water adhering to and dropping from the hairpin pipe 34 onto the motor 51.
  • the groove 62 for housing the lead line 53 of the motor 51 may be preferably formed at the lower portion of the motor cover 60.
  • the lead line 53 passes through the groove 62 at the motor cover 60 such that housing in the housing portion 61 is allowed without a load on the lead line 53.
  • the lead line 53 is drawn out through the groove 62 provided at the lower portion of the inner peripheral surface of the housing portion 61, so that the lead line 53 can be arranged to pass below the rotary shaft 52.
  • the motor cover 60 allows arrangement of the lead line 53 in a direction in which less condensation water drops even if condensation water drops, for example, in the direction of the lead line 53.
  • Such a motor cover 60 can reduce adherence of the condensation water to the lead line 53, and therefore, can reduce a motor failure rate.
  • the main body of the motor 51 may be preferably covered with the heat insulating member 54.
  • the air-conditioner 10 can reduce generation of condensation water and adherence of the condensation water to the motor 51 due to excessive cooling of the motor 51.
  • the brush 41A (the cleaner) may be preferably configured such that the hair non-implantation region 43b where no fiber portions 42 are implanted is provided at one or both end portions of the brush base 43 (the base portion).
  • a hair non-implantation region 43b may be provided to extend from the outside to the inside of the side plate 32.
  • the air-conditioner 10 can prevent, when the brush 41A is rotated upon cleaning of the air blower fan 38, the fiber portions 42 from contacting the side plate 32 of the heat exchanger 31 at one or both end portions of the brush 41A.
  • the air-conditioner 10 can reduce a load on the brush 41A when the brush 41A is rotated.
  • the air-conditioner 10 can reduce contamination of the brush 41A.
  • the end portion of the brush base 43 of the brush 41A may preferably protrude from the end portion of the shaft 45 as the handle portion 43c to the outside.
  • the air-conditioner 10 allows the operator to grip the handle portion 43c upon replacement of the brush 41A, and therefore, the brush 41 can be easily pulled out from the space at the side of the heat exchanger 31.
  • the motor cover 60 includes a single member.
  • a second embodiment provides a motor assembly 50A (see Figs. 11 to 13 ) configured such that a motor cover 60 includes multiple (e.g., two) members.
  • Fig. 11 is a schematic view of the configuration of the motor assembly 50A.
  • Fig. 12 is an exploded view of the configuration of the motor assembly 50A.
  • Fig. 13 is a schematic sectional view of an internal structure of the motor assembly 50A.
  • the motor assembly 50A of the second embodiment is, as compared to the motor assembly 50 (see Fig. 3 ) of the first embodiment, different in that the motor cover 60 includes two members of a first motor cover 71 and a second motor cover 72.
  • the first motor cover 71 is a member on a side (the outside) far from a side plate 32 of a heat exchanger 31
  • the second motor cover 72 is a member on a side (the inside) closer to the side plate 32 of the heat exchanger 31.
  • no spacer 69 illustrated in Fig. 5 is used, but the motor assembly 50A may be attached to the side plate 32 of the heat exchanger 31 through the spacer 69 illustrated in Fig. 5 .
  • the first motor cover 71 has a housing portion 61 for housing an outer portion of a main body of a motor 51, and fixing portions 66 to be fastened to, e.g., the side plate 32 of the heat exchanger 31 with screws 65.
  • a groove 62 for housing a lead line 53 of the motor 51 is formed at a lower portion of an inner peripheral surface of the housing portion 61.
  • the groove 62 is formed not to penetrate an inner wall surface (a left wall surface in Fig. 12 ) of the housing portion 61.
  • the second motor cover 72 has a housing portion 61a for housing an inner portion of the main body of the motor 51, and fixing portions 66a to be fastened to the first motor cover 71 with screws 55.
  • a groove 62a for housing the lead line 53 of the motor 51 is formed at a lower portion of an inner peripheral surface of the housing portion 61a.
  • the groove 62a is formed to penetrate an inner wall surface (a right wall surface in Fig. 12 ) of the housing portion 61a.
  • a structure is employed, in which the groove 62 of the first motor cover 71 and the groove 62a of the second motor cover 72 communicate with each other.
  • the lead line 53 of the motor 51 is drawn out of the motor cover 60 through the groove 62 of the first motor cover 71 and the groove 62a of the second motor cover 72.
  • the motor assembly 50A is assembled as follows. First, a tape-shaped heat insulating member 54 is wound around the outer periphery of the main body of the motor 51 (see a white arrow A21). Next, the motor 51 around which the heat insulating member 54 is wound is housed in the housing portion 61 of the first motor cover 71 (see a white arrow A22). In this state, the lead line 53 of the motor 51 is drawn out of the first motor cover 71 through the groove 62 of the first motor cover 71. Next, the motor 51 is housed in the housing portion 61a of the second motor cover 72 (see a white arrow A23). In this state, the lead line 53 of the motor 51 is drawn out of the second motor cover 72 through the groove 62a of the second motor cover 72. In this manner, the motor assembly 50A is assembled.
  • Fig. 13 schematically illustrates a sectional structure of the motor assembly 50A as viewed from the side. Note that in Fig. 13 , the lead line 53 of the motor 51 is not shown. As illustrated in Fig. 13 , the motor assembly 50A seals the entire circumference of the motor 51 by the first motor cover 71 and the second motor cover 72, and in this state, is attached to the side plate 32. Such a motor assembly 50A can efficiently reduce adherence of condensation water to the motor 51.
  • adherence of condensation water to the main body of the motor 51 of a fan cleaning device 40 can be efficiently reduced as in the first embodiment.
  • the present invention is not limited to those including all components described above.
  • other components may be added to a certain component, and some components may be changed to other components.
  • some components may be omitted.
  • motor assembly 50A (see Figs. 11 to 13 ) of the second embodiment described above may be, for example, modified as in first to fourth variations illustrated in Figs. 14 to 17 .
  • Fig. 14 is a schematic view of an internal structure of a motor assembly 50B of the first variation. As illustrated in Fig. 14 , the motor assembly 50B according to the first variation is different on the following points as compared to the motor assembly 50A (see Figs. 11 to 13 ) of the second embodiment.
  • such a motor assembly 50B can efficiently reduce adherence of condensation water to the main body of the motor 51 of the fan cleaning device 40.
  • the motor 51 is housed in the first motor cover 71 and the second motor cover 72.
  • Fig. 15 is a schematic view of an internal structure of a motor assembly 50C of the second variation. As illustrated in Fig. 15 , the motor assembly 50C of the second variation is different on the following points as compared to the motor assembly 50B (see Fig. 14 ) of the first variation.
  • such a motor assembly 50C of the second variation can reduce the number of components by the second motor cover 72.
  • the motor cover 60 and the contact portion 32Z may preferably have such a structure that the motor cover 60 and the contact portion 32Z covers at least above the entirety of the main body of the motor 51.
  • Fig. 16 is a schematic view of an internal structure of a motor assembly 50D of the third variation. As illustrated in Fig. 16 , the motor assembly 50D of the third variation is different on the following points as compared to the motor assembly 50B (see Fig. 14 ) of the first variation.
  • Such a motor assembly 50D of the third variation allows the cover portions 67 to function as a dew guard section configured to reduce adherence of condensation water to the motor 51.
  • the motor assembly 50D of the third variation can efficiently reduce adherence of condensation water to the main body of the motor 51 of the fan cleaning device 40.
  • the cover portions 67 function as a positioning section configured to contact the side plate 32 to determine the position of the motor assembly 50D. With this configuration, the motor assembly 50D can be stably arranged at a desired position.
  • Fig. 17 is a schematic view of an internal structure of a motor assembly 50E of the fourth variation. As illustrated in Fig. 17 , the motor assembly 50E of the fourth variation is different on the following points as compared to the motor assembly 50D (see Fig. 16 ) of the third variation.
  • Such a motor assembly 50E of the fourth variation can cause the lap structure 68 to function as a dew guard section configured to reduce adherence of condensation water to the motor 51.
  • the motor assembly 50E of the fourth variation can efficiently reduce adherence of condensation water to the main body of the motor 51 of the fan cleaning device 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Motor Or Generator Frames (AREA)

Claims (13)

  1. Klimaanlage (10), die Folgendes umfasst:
    einen Wärmetauscher (31);
    einen Luftgebläselüfter (38);
    einen Reiniger (41), der konfiguriert ist, den Luftgebläselüfter (38) zu reinigen; und
    eine Ablaufwanne (39), die konfiguriert ist, Kondensationswasser aufzunehmen, das vom Wärmetauscher (31) tropft, wobei
    die Klimaanlage (10) ferner Folgendes umfasst:
    einen Motor (51), der auf einer Außenseite in Bezug auf eine Seitenplatte (32) des Wärmetauschers (31) angeordnet ist und konfiguriert ist, den Reiniger (41) anzutreiben, und
    eine Motorabdeckung (60), die konfiguriert ist, einen Hauptkörper des Motors (51) abzudecken; wobei
    die Ablaufwanne (39) unter dem Wärmetauscher (31) und der Motorabdeckung (60) angeordnet ist und ein Endabschnitt der Ablaufwanne (39) auf einer Außenseite in Bezug auf einen inneren Stirnabschnitt der Motorabdeckung (60) positioniert ist.
  2. Klimaanlage (10) nach Anspruch 1, wobei
    der Motor (51) derart angeordnet ist, dass sein innerer Stirnabschnitt von der Seitenplatte (32) getrennt ist und sein äußerer Stirnabschnitt von einem Außenelement eines Gehäuses (21) getrennt ist.
  3. Klimaanlage (10) nach Anspruch 1, die ferner Folgendes umfasst:
    einen Vorsprungsabschnitt, der von einer Außenoberfläche der Seitenplatte (32) vorsteht, um einen inneren Stirnabschnitt des Motors (51) abzudecken.
  4. Klimaanlage (10) nach Anspruch 1, wobei
    der Reiniger (41) einen Basisabschnitt enthält, in den ein Faserabschnitt eingesetzt ist, und
    in einem Endabschnitt des Basisabschnitts ein Bereich, in den kein Faserabschnitt eingesetzt ist, vorgesehen ist.
  5. Klimaanlage (10) nach Anspruch 4, wobei
    der Bereich, in den kein Faserabschnitt eingesetzt ist, derart vorgesehen ist, dass er von einer Außenseite zu einer Innenseite der Seitenplatte (32) verläuft.
  6. Klimaanlage (10) nach Anspruch 1, wobei
    ein unterer Abschnitt der Motorabdeckung (60) ein geneigter Abschnitt ist, der von einer äußeren Stirnabschnittseite zu einer inneren Stirnabschnittseite nach unten verläuft.
  7. Klimaanlage (10) nach Anspruch 1, wobei
    die Motorabdeckung (60) als Ganzes auf einer Innenseite in Bezug auf einen äußeren Stirnabschnitt der Ablaufwanne (39) angeordnet ist.
  8. Klimaanlage (10) nach Anspruch 1, wobei
    eine Nut (62) zum Aufnehmen einer Anschlussleitung (53) des Motors (51) in einem unteren Abschnitt einer Innenumfangsoberfläche der Motorabdeckung (60) gebildet ist.
  9. Klimaanlage (10) nach Anspruch 1, die ferner Folgendes umfasst:
    ein Wärmeisolationselement (54), das konfiguriert ist, eine Umfangsoberfläche des Hauptkörpers des Motors (51) abzudecken.
  10. Klimaanlage (10) nach Anspruch 1, wobei
    die Seitenplatte (32) einen Kontaktabschnitt aufweist, der derart gebildet ist, dass er von einer Außenoberfläche der Seitenplatte derart vorsteht, dass er den inneren Stirnabschnitt der Motorabdeckung (60) berührt, und
    die Motorabdeckung (60) und der Kontaktabschnitt eine Struktur aufweisen, derart, dass die Motorabdeckung (60) und der Kontaktabschnitt mindestens den Hauptkörper des Motors (51) als Ganzes überdecken.
  11. Klimaanlage (10) nach Anspruch 1, die ferner Folgendes umfasst:
    einen Abdeckungsabschnitt, der bei der Motorabdeckung (60) derart gebildet ist, dass er einen inneren Stirnabschnitt des Motors (51) überdeckt.
  12. Klimaanlage (10) nach Anspruch 11, wobei
    der Abdeckungsabschnitt als ein Positionierungsabschnitt wirkt, der konfiguriert ist, die Seitenplatte (32) zu berühren, um eine Position des Motors (51) zu bestimmen.
  13. Klimaanlage (10) nach Anspruch 1, wobei
    die Motorabdeckung (60) mehrere Abdeckelemente enthält und
    eine Passfläche zwischen den Abdeckelementen eine Läppstruktur aufweist.
EP18913206.1A 2018-05-14 2018-05-14 Klimaanlage Active EP3795911B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/018519 WO2019220494A1 (ja) 2018-05-14 2018-05-14 空気調和機

Publications (3)

Publication Number Publication Date
EP3795911A1 EP3795911A1 (de) 2021-03-24
EP3795911A4 EP3795911A4 (de) 2021-12-29
EP3795911B1 true EP3795911B1 (de) 2023-03-15

Family

ID=67023741

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Application Number Title Priority Date Filing Date
EP18913206.1A Active EP3795911B1 (de) 2018-05-14 2018-05-14 Klimaanlage

Country Status (5)

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EP (1) EP3795911B1 (de)
JP (1) JP6534784B1 (de)
CN (1) CN110741206B (de)
TW (1) TWI690679B (de)
WO (1) WO2019220494A1 (de)

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Publication number Priority date Publication date Assignee Title
CN112412834A (zh) * 2020-11-23 2021-02-26 安徽朗迪叶轮机械有限公司 一种用于空调的贯流风机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01219387A (ja) * 1988-02-26 1989-09-01 Matsushita Refrig Co Ltd 空気調和機用ドレーンポンプ
JP2627297B2 (ja) * 1988-03-01 1997-07-02 三洋電機株式会社 吊下型空気調和機
JP4418095B2 (ja) * 2000-08-30 2010-02-17 東芝キヤリア株式会社 空気調和機
KR101065965B1 (ko) * 2003-08-18 2011-09-19 파나소닉 주식회사 에어 필터의 자동 청소 기능이 부가된 실내 유닛을 구비한 공기 조화기
JP2006308121A (ja) * 2005-04-26 2006-11-09 Corona Corp クロスフローファン付き機器
JP4878521B2 (ja) * 2006-08-10 2012-02-15 東芝キヤリア株式会社 空気調和機の室内機
JP2008051430A (ja) * 2006-08-25 2008-03-06 Toshiba Kyaria Kk 空気調和機の室内機
JP4909699B2 (ja) * 2006-09-29 2012-04-04 東芝キヤリア株式会社 空気調和機の室内機
JP4046755B2 (ja) 2006-10-27 2008-02-13 シャープ株式会社 空気調和機
JPWO2008062876A1 (ja) * 2006-11-24 2010-03-04 東芝キヤリア株式会社 空気調和機の室内機
JP4931566B2 (ja) * 2006-11-30 2012-05-16 東芝キヤリア株式会社 空気調和機
KR101392313B1 (ko) * 2007-08-29 2014-05-07 엘지전자 주식회사 공기조화기
IL200511A0 (en) * 2008-08-26 2010-04-29 Bajnar Dan David Method and system for maintenance of an air-condition unit
CN203364381U (zh) * 2013-06-28 2013-12-25 Tcl空调器(中山)有限公司 空调器
CN107701522A (zh) * 2016-08-08 2018-02-16 苏州三星电子有限公司 空调内机及其风叶清洗结构、空调内机的风叶清洗方法
CN106403067A (zh) * 2016-11-10 2017-02-15 珠海格力电器股份有限公司 空调室外机及具有其的空调系统
CN107388371B (zh) * 2017-08-01 2020-11-03 青岛海尔空调器有限总公司 壁挂式空调室内机

Also Published As

Publication number Publication date
EP3795911A1 (de) 2021-03-24
WO2019220494A1 (ja) 2019-11-21
JP6534784B1 (ja) 2019-06-26
TWI690679B (zh) 2020-04-11
EP3795911A4 (de) 2021-12-29
CN110741206B (zh) 2021-05-04
TW201947162A (zh) 2019-12-16
JPWO2019220494A1 (ja) 2020-05-28
CN110741206A (zh) 2020-01-31

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